Re: [LAD] Is it possible to use two RME cards in sync?

Florian Faber wrote
> >> The driver can start the buffers synchronously, so you have
> >> sample-synchronous output. To have jack working with multiple cards, you
> >> can either use alsa magic to combine the cards, or use alsa_out (with
> >> disabled resampling).
> > Will try that with a couple of hammerfall 9632 we have in the lab before
> > buying the (two) AES-32.
> > Any recommended documentation or advice?
>
> The RME cards are easy to set up: Just connect the internal sync port
> using the cable that came with the cards and select "Internal" as sync
> source on the slave card.
>

Just for the record: the two hammerfalls in sync with a virtual "multi"
device defined in .asoundrc worked like a charm, giving a total of 51
i/o channels. I tested both the capture and playback.
Below, the jack command and ~/.asoundrc file used.

Thanks!
P

----------

jackd -d alsa -d rmemulti

.asoundrc:
pcm.rme0 {
        type hw
        card 0
}
pcm.rme3 {
        type hw
        card 3
}
pcm.rmemulti {
        type multi
        slaves.a.pcm rme0
        slaves.a.channels 26
        slaves.b.pcm rme3
        slaves.b.channels 26

        bindings.0.slave a
        bindings.0.channel 0
        bindings.1.slave a
        bindings.1.channel 1
        bindings.2.slave a
        bindings.2.channel 2
        bindings.3.slave a
        bindings.3.channel 3
        bindings.4.slave a
        bindings.4.channel 4
        bindings.5.slave a
        bindings.5.channel 5
        bindings.6.slave a
        bindings.6.channel 6
        bindings.7.slave a
        bindings.7.channel 7
        bindings.8.slave a
        bindings.8.channel 8
        bindings.9.slave a
        bindings.9.channel 9
        bindings.10.slave a
        bindings.10.channel 10
        bindings.11.slave a
        bindings.11.channel 11
        bindings.12.slave a
        bindings.12.channel 12
        bindings.13.slave a
        bindings.13.channel 13
        bindings.14.slave a
        bindings.14.channel 14
        bindings.15.slave a
        bindings.15.channel 15
        bindings.16.slave a
        bindings.16.channel 16
        bindings.17.slave a
        bindings.17.channel 17
        bindings.18.slave a
        bindings.18.channel 18
        bindings.19.slave a
        bindings.19.channel 19
        bindings.20.slave a
        bindings.20.channel 20
        bindings.21.slave a
        bindings.21.channel 21
        bindings.22.slave a
        bindings.22.channel 22
        bindings.23.slave a
        bindings.23.channel 23
        bindings.24.slave a
        bindings.24.channel 24
        bindings.25.slave a
        bindings.25.channel 25

        bindings.26.slave b
        bindings.26.channel 0
        bindings.27.slave b
        bindings.27.channel 1
        bindings.28.slave b
        bindings.28.channel 2
        bindings.29.slave b
        bindings.29.channel 3
        bindings.30.slave b
        bindings.30.channel 4
        bindings.31.slave b
        bindings.31.channel 5
        bindings.32.slave b
        bindings.32.channel 6
        bindings.33.slave b
        bindings.33.channel 7
        bindings.34.slave b
        bindings.34.channel 8
        bindings.35.slave b
        bindings.35.channel 9
        bindings.36.slave b
        bindings.36.channel 10
        bindings.37.slave b
        bindings.37.channel 11
        bindings.38.slave b
        bindings.38.channel 12
        bindings.39.slave b
        bindings.39.channel 13
        bindings.40.slave b
        bindings.40.channel 14
        bindings.41.slave b
        bindings.41.channel 15
        bindings.42.slave b
        bindings.42.channel 16
        bindings.43.slave b
        bindings.43.channel 17
        bindings.44.slave b
        bindings.44.channel 18
        bindings.45.slave b
        bindings.45.channel 19
        bindings.46.slave b
        bindings.46.channel 20
        bindings.47.slave b
        bindings.47.channel 21
        bindings.48.slave b
        bindings.48.channel 22
        bindings.49.slave b
        bindings.49.channel 23
        bindings.50.slave b
        bindings.50.channel 24
        bindings.51.slave b
        bindings.51.channel 25

}

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Received on Thu May 13 16:15:03 2010